| /Documentation/userspace-api/media/v4l/ |
| D | func-select.rst | 4 .. _func-select:
7 V4L2 select()
13 v4l2-select - Synchronous I/O multiplexing
24 .. c:function:: int select( int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct …
47 With the :c:func:`select()` function applications can suspend
56 On success :c:func:`select()` returns the total number of bits set in
61 :ref:`VIDIOC_STREAMON` yet the :c:func:`select()`
67 driver does not capture yet, the :c:func:`select()` function starts
68 capturing. When that fails, :c:func:`select()` returns successful and
72 data is already available the :c:func:`select()` function returns
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| /Documentation/kbuild/ |
| D | Kconfig.select-break | 1 # Select broken dependency issue
6 # make KBUILD_KCONFIG=Documentation/kbuild/Kconfig.select-break menuconfig
9 # currently a feature of kconfig, given select was designed to be heavy handed.
11 # "select" list, this is done on purpose to help load a set of known required
12 # symbols. Because of this use of select should be used with caution. An
17 # visit the dependencies of the select target (in this case B). And since
21 mainmenu "Simple example to demo kconfig select broken dependency issue"
33 select B
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| D | Kconfig.recursion-issue-02 | 13 # use "select". For instance it means if a driver A and driver B share the same
14 # core requirement, and one uses "select" while the other uses "depends on" to
20 # they select or depend on end up becoming shared requirements which cannot be
32 # with CORE, one uses "depends on" while the other uses "select". Another
34 # under 'select' for a symbol, when such symbols are selected kconfig them
36 # of select refer to Documentation/kbuild/Kconfig.select-break
38 # To fix this the "depends on CORE" must be changed to "select CORE", or the
39 # "select CORE" must be changed to "depends on CORE".
42 # "select FW_LOADER" [0], in the end the simple alternative solution to this
58 select CORE_BELL_A
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| D | kconfig-language.rst | 133 - reverse dependencies: "select" <symbol> ["if" <expr>]
144 select should be used with care. select will force
146 By abusing select you are able to select a symbol FOO even
148 In general use select only for non-visible symbols
155 This is similar to "select" as it enforces a lower limit on another
500 select ...
501 select HAVE_GENERIC_IOMAP
502 select ...
505 config variable to select HAVE_GENERIC_IOMAP.
508 introduced to overcome the limitation of select which will force a
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| /Documentation/devicetree/bindings/mtd/ |
| D | st,stm32-fmc2-nand.yaml | 63 - description: Chip select 0 data
64 - description: Chip select 0 command
65 - description: Chip select 0 address space
66 - description: Chip select 1 data
67 - description: Chip select 1 command
68 - description: Chip select 1 address space
88 - description: Chip select 0 data
89 - description: Chip select 0 command
90 - description: Chip select 0 address space
91 - description: Chip select 1 data
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| /Documentation/admin-guide/pm/ |
| D | intel-speed-select.rst | 4 Intel(R) Speed Select Technology User Guide
7 The Intel(R) Speed Select Technology (Intel(R) SST) provides a powerful new
14 - https://www.intel.com/content/www/us/en/architecture-and-technology/speed-select-technology-artic…
15 - https://builders.intel.com/docs/networkbuilders/intel-speed-select-technology-base-frequency-enha…
21 and configure these features is by using the Intel Speed Select utility.
23 This document explains how to use the Intel Speed Select tool to enumerate and
29 intel-speed-select configuration tool
32 Most Linux distribution packages may include the "intel-speed-select" tool. If not,
38 # cd tools/power/x86/intel-speed-select/
47 # intel-speed-select --help
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| /Documentation/devicetree/bindings/phy/ |
| D | phy-hi3798cv200-combphy.txt | 8 - #phy-cells: Should be 1. The cell number is used to select the phy mode
16 - hisilicon,fixed-mode: If the phy device doesn't support mode select
19 - hisilicon,mode-select-bits: If the phy device support mode select,
25 - Between hisilicon,fixed-mode and hisilicon,mode-select-bits, one and only
28 COMBPHY configuration/state and PERI_CTRL register used to select PHY mode.
57 hisilicon,mode-select-bits = <0x0008 11 (0x3 << 11)>;
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| /Documentation/devicetree/bindings/memory-controllers/ |
| D | arm,pl172.txt | 17 - ranges: Must contain one or more chip select memory regions.
28 Child chip-select (cs) nodes contain the memory devices nodes connected to
44 - mpmc,cs: Chip select number. Indicates to the pl0172 driver
47 - mpmc,memory-width: Width of the chip select memory. Must be equal to
54 - mpmc,cs-active-high: Set chip select polarity to active high.
67 - mpmc,write-enable-delay: Delay from chip select assertion to write
70 - mpmc,output-enable-delay: Delay from chip select assertion to output
73 - mpmc,write-access-delay: Delay from chip select assertion to write
76 - mpmc,read-access-delay: Delay from chip select assertion to read
88 Example for pl172 with nor flash on chip select 0 shown below.
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| D | ti-aemif.txt | 7 per chip select. Synchronous memories such as DDR1 SD RAM, SDR SDRAM
37 child device can select the proper one.
56 Child chip-select (cs) nodes contain the memory devices nodes connected to
84 - ti,cs-select-strobe-mode: enable/disable select strobe mode
85 In select strobe mode chip select behaves as
91 mapped to that chip select to determine if the
100 followed by a write to same chip select.
116 the chip select signal.
133 the chip select signal.
139 Example for aemif, davinci nand and nor flash chip select shown below.
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| /Documentation/arch/m68k/ |
| D | buddha-driver.rst | 45 $7fe Speed-select Register: Read & Write
48 $800-$8ff IDE-Select 0 (Port 0, Register set 0)
50 $900-$9ff IDE-Select 1 (Port 0, Register set 1)
52 $a00-$aff IDE-Select 2 (Port 1, Register set 0)
54 $b00-$bff IDE-Select 3 (Port 1, Register set 1)
56 $c00-$cff IDE-Select 4 (Port 2, Register set 0,
59 $d00-$dff IDE-Select 5 (Port 3, Register set 1,
140 All the timings have in common: Select and IOR/IOW rise at
147 497ns Select (7 clock cycles) , IOR/IOW after 172ns (2 clock cycles)
152 639ns Select (9 clock cycles), IOR/IOW after 243ns (3 clock cycles)
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| /Documentation/devicetree/bindings/mips/cavium/ |
| D | bootbus.txt | 4 selects. Each chip select is independently configurable.
13 - #address-cells: Must be <2>. The first cell is the chip select
14 within the bootbus. The second cell is the offset from the chip select.
19 parent-bus-address, length) for each active chip select. If the
20 length element for any triplet is zero, the chip select is disabled,
23 The configuration parameters for each chip select are stored in child
29 - cavium,cs-index: A single cell indicating the chip select that
60 the bus for this chip select.
72 /* The chip select number and offset */
74 /* The size of the chip select region */
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| /Documentation/driver-api/ |
| D | edac.rst | 8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
67 * Chip-select row
69 This is the name of the DRAM signal used to select the DRAM ranks to be
70 accessed. Common chip-select rows for single channel are 64 bits, for
77 A Single-ranked stick has 1 chip-select row of memory. Motherboards
78 commonly drive two chip-select pins to a memory stick. A single-ranked
85 A double-ranked stick has two chip-select rows which access different
92 A double-sided stick has two chip-select rows which access different sets
100 all of the memory sticks spanned by a chip-select row. A single socket
101 set has two chip-select rows and if double-sided sticks are used these
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| /Documentation/devicetree/bindings/bus/ |
| D | nvidia,tegra20-gmi.txt | 23 for each chip-select line in use (only one entry is supported, see below
27 Note that the GMI controller does not have any internal chip-select address
29 or by employing external chip-select decoding logic.
31 If external chip-select logic is used to support multiple devices it is assumed
34 child device is supported which represents the active chip-select line, see
37 The chip-select number is decoded from the child nodes second address cell of
38 'ranges' property, if 'ranges' property is not present or empty chip-select will
74 chip-select (CS4), in this example external address decoding is provided:
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| /Documentation/devicetree/bindings/hwmon/ |
| D | max6697.txt | 32 Select bit 0 for local temperature, bit 1..7 for remote temperatures.
37 Select bit 0 for local temperature, bit 1..7 for remote temperatures.
50 select value as per MAX6581 data sheet. Select bit 1..7 for remote
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| /Documentation/devicetree/bindings/clock/ |
| D | gpio-mux-clock.yaml | 24 select-gpios:
32 - select-gpios
44 select-gpios = <&gpio 1 GPIO_ACTIVE_HIGH>;
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| /Documentation/devicetree/bindings/net/ |
| D | micrel.txt | 23 - micrel,rmii-reference-clock-select-25-mhz: RMII Reference Clock Select
26 Setting the RMII Reference Clock Select bit enables 25 MHz rather
32 actually select a mode.
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| D | allwinner,sun4i-a10-mdio.yaml | 16 # Select every compatible, including the deprecated ones. This way, we
18 # we will validate the node thanks to the select, but won't report it
20 select:
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| /Documentation/devicetree/bindings/spi/ |
| D | cdns,qspi-nor-peripheral-props.yaml | 24 Delay in nanoseconds for the length that the master mode chip select
29 Delay in nanoseconds between one chip select being de-activated
35 deasserting the device chip select (qspi_n_ss_out).
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| D | fsl-spi.txt | 20 If unspecified, a single SPI device without a chip select can be used.
22 SPISEL_BOOT signal is used as chip select for a slave device. Use
48 - fsl,csbef: chip select assertion time in bits before frame starts
49 - fsl,csaft: chip select negation time in bits after frame ends
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| /Documentation/devicetree/bindings/usb/ |
| D | gpio-sbu-mux.yaml | 29 select-gpios:
30 description: Orientation select
52 - select-gpios
99 select-gpios = <&tlmm 164 GPIO_ACTIVE_HIGH>;
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| /Documentation/devicetree/bindings/iio/adc/ |
| D | adi,ad7124.yaml | 25 description: SPI chip select number for the device
78 adi,reference-select:
80 Select the reference source to use when converting on
134 adi,reference-select = <0>;
142 adi,reference-select = <0>;
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| /Documentation/devicetree/bindings/mfd/ |
| D | ti,j721e-system-controller.yaml | 95 <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
96 <0x4090 0x3>, <0x4094 0x3>, /* SERDES1 lane0/1 select */
97 <0x40a0 0x3>, <0x40a4 0x3>, /* SERDES2 lane0/1 select */
98 <0x40b0 0x3>, <0x40b4 0x3>, /* SERDES3 lane0/1 select */
100 /* SERDES4 lane0/1/2/3 select */
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| /Documentation/ABI/testing/ |
| D | sysfs-class-net-grcan | 26 What: /sys/class/net/<iface>/grcan/select
34 set by the module parameter grcan.select and can be read at
35 /sys/module/grcan/parameters/select.
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| /Documentation/devicetree/bindings/sound/ |
| D | asahi-kasei,ak4458.yaml | 36 description: Select DSD input pins for ak4497
40 description: "select #16, #17, #19 pins"
42 description: "select #3, #4, #5 pins"
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| /Documentation/devicetree/bindings/regulator/ |
| D | richtek,rt6245-regulator.yaml | 34 richtek,oc-level-select:
42 richtek,ot-level-select:
50 richtek,pgdly-time-select:
59 richtek,switch-freq-select:
|